The Best Celebrity Photos From Glastonbury Show Muddy, Muddy Mayhem

Glastonbury is the British version of Coachella when it comes to celebrities letting themselves go full festival. Tie-dye, face paint, crochet crop tops, etc. all come out for the five-day music festival. Among the estimated 1750,000 concertgoers were some familiar faces: Rita Ora, a few "Game Of Thrones" stars and Bradley Cooper. See them (and others!) get their hippie on below.

Bradley Cooper was there.

Sophie Turner hung out in the mud.

Ireland Baldwin met Lana Del Rey and wrote, "this one is for you @iamabfalecbaldwin."

The teen pop star must not have been feeling well on Sept. 29, 2012 as he puked onstage in the middle of a song. Bieber was performing in Glendale, Ariz. -- the first stop on his Believe concert tour. Later that night he <a href="https://twitter.com/justinbieber/status/252329236176703490">tweeted</a>, "Milk was a bad choice! Lol."